[sdiy] FPAA for analog synthesis?

[cheater cheater]

isn't the problem really that you need lots and lots of different
devices? digital stuff can pretty much all be synthesized out of just
two operators... with analog all this stuff can work different from
one another! You can't really take, say, 5 types of transistor and
synthesize everything that is out there, can you? And that's only
touching transistors and not any other parts, especially passive! i
think this shows how digital electronics are a MUCH narrower category
than analog electronics...

D.

On Tue, Mar 2, 2010 at 23:33, Eric Brombaugh <ebrombaugh1 at cox.net> wrote:
> On 03/02/2010 01:56 PM, Joel B wrote:
>>
>> Anyone here experimented with field programmable analog arrays?
>
> I've done a bit of work with Cypress PSoC chips that have a small analog
> array. They work fine for relatively low frequency stuff but aren't great
> for most audio work.
>
> Over the years a lot of companies have tried to make FPAAs work and none
> have been really successful. The biggest problem is that the
> power/size/performance trade-offs you can make with discrete and small-scale
> analog tends to favor arrays only in situations where extreme
> reconfigurability is required, and in most of those situations one is better
> off digitizing early in the chain and going with microprocessors or FPGAs.
>
> Like nuclear fusion, reconfigurable analog arrays are a technology that will
> likely always be a few years in the future.
>
> Eric
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